HB 721 -- Vehicle Emissions Testing Co-Sponsors: Walton, Villa, Hilgemann, Coleman Under current law, residents of Franklin County who choose biennial vehicle registration may elect to have either a biennial I/M-240 or an annual BAR-97 vehicle emissions test. This bill provides that option to anyone who presents a signed affidavit stating their intent to establish residence outside the state within one year.Copyright (c) Missouri House of Representatives